Abbreviations as Words in APA Style | Main | How to Use Five Levels of Heading in an APA Style Paper Â». by David Becker. This week we address the serial comma, seventh in the list of the Top 10 most common APA Style errors as identified by Onwuegbuzie, Combs, Slate, and Frels (2010). Also known as the Oxford comma, the serial comma is the final comma in a list of three items or more, and it is used immediately before and, or, and occasionally nor.
Donner Lake is one of many small, picturesque lakes in the Tahoe National Forest towards the north end of the Sierra Nevada Mountains; it is popular for fishing, boating and even swimming in summer, and there is a pleasant, spacious campground along the eastern edge.
The culprit was snow. As the Donner Party approached the summit of the Sierra Mountains near what is now Donner Lake (known as Truckee Lake at the time) they found the pass clogged with new-fallen snow up to six feet deep. It was October 28, 1846 and the Sierra snows had started a month earlier than usual.